package org.kava.ant;

public class HelloWorld {
	public HelloWorld() {
    }
	public String sayHello(String user) {
		return "Hello "+user;
    }
	public static void main(String[] args) {
		if(args.length==0) {
            System.out.println("Hello World!");
		} else {
			HelloWorld hw = new HelloWorld();
			System.out.println(hw.sayHello(args[0]));
		}
    }
}